Granted Patent
Utility
US 5,009,801 · App. 07/398,542
Compositions for preventing stress cracks in poly(alkylene terephthalate) articles and methods of use therefor
Inventors:
Michael D. Wider, Charles E. Rossio, Christian Remus
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Aug 25, 1989
Inventors
Michael D. Wider
Charles E. Rossio
Christian Remus
Assignee (at issue)
DIVERSEY, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.